Selecting The Desired Dvd Menu Item - Akai DV-P3470S Service Manual

Block Diagram
Pin Descriptions
Symbol
CLk System Clock
CS
CKE Clock Enable
A0~A10/AP
BA Bank Select Address
RAS Row address Strobe
CAS
Column Address Strobe
WE
Name
Chip Select
Address
Write Enable
Active on the positive going edge to sample all inputs
Disables or Enables device operation by masking or enabling
all inputs except CLK, CKE and L(U)DQM
Masks system clock to freeze operation from the next clock cycle.
CKE should be enabled at least one clock + tss prior to new command.
Disable input buffers for power down in standby.
Row/Column addresses are multiplexed on the same pins.
Row address: RA0 ~ RA10, Column address: CA0 ~ CA7
Selects bank to be activated during row address latch time.
Selects band for read/write during column address latch time.
Latches row addresses on the positive going edge of the CLK with
RAS low.
Enables row access & precharge.
Latches column addresses on the positive going edge of the CLK with CAS
low. Enables column access.
Enables write operation and Row precharge.
Description
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